Brendan Gregg

SEPTEMBER 25, 2021

Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? I also shared setting the clocksource in my talks and in my 2015 Linux tunables post. Here's some experimental approaches I could also explore: Disable tracesys/syscall_trace. Microbenchmark os::javaTimeMillis() on both systems.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? I also shared setting the clocksource in my talks and in my 2015 [Linux tunables] post. Microbenchmark os::javaTimeMillis() on both systems. Try changing the kernel clocksource. As (C) looked like a kernel rebuild, I started with (D) and (E). ## 6.

Speed 40

Speed Java AWS Virtualization 40

Speed Curve

JUNE 10, 2015

At Velocity 2015 in Santa Clara, Bruce Lawson described the dramatic growth of connected users in Asia and Africa, while highlighting the challenge faced when trying to deliver great experiences to a broad range of devices. Below you’ll find Souders’ related talk from Fluent 2015 : Visualizing performance data in engaging ways.

Metrics 40

Metrics Design DevOps Website 40

Alex Podelko

SEPTEMBER 8, 2020

It was called Jellly at the time (mid 2015) but it was an early build of what OctoPerf would become. And when we started in 2015, JMeter was undoubtedly the best tool around. You have to remember this was in 2015, a lot has changed since, Gatling is definitely a stronger tool.

Open Source 223

Open Source Performance Testing Testing Performance 223

Brendan Gregg

JULY 4, 2021

## References I've reproduced the talk references below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency? Ford, et al., “TCP

Performance 121

Performance Latency Hardware Storage 121

The Netflix TechBlog

JULY 1, 2019

Some of the metrics we use to measure performance on the Netflix TV app include animation frames per second (FPS), key input responsiveness (the amount of time before a member’s key press renders a change in the UI), video playback speed, and app start-up time. One such area is our graphics memory management.

Cache 166

Cache Design Testing Development 166

Rigor

JANUARY 13, 2020

Yet, we wanted to put together our list of the top web performance books for anyone who cares about speed of the web and would like to explore the timeline of web performance engineering milestones over nearly two decades through the lens of published books. Site speed & SEO go hand in hand. Speed Up Your Site. Still good.

Performance 75

Performance Social Media Website Website Performance 75

KeyCDN

NOVEMBER 19, 2020

In October 2015 KeyCDN released a free WordPress caching plugin called Cache Enabler. This plugin was initially released as a lightweight caching plugin that was able to speed up WordPress websites by generating static HTML files that could then be minified and even converted for WebP support. The second goal of version 1.5

Cache 116

Cache Network Open Source Speed 116

Brendan Gregg

FEBRUARY 28, 2023

## References I've reproduced the references from my SREcon22 keynote below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 103

Performance Latency Cache Virtualization 103

MachMetrics

JULY 31, 2020

Most page speed audit tools will send you an error letting you know if your site is not being compressed, however, we really like this tool from Varvy , as it shows you just how much page weight is being saved through compression. In 2015, they released a version to be used for HTTP compression.

Speed 67

Speed Servers Google Cache 67

CSS - Tricks

NOVEMBER 26, 2021

into processing/rendering/painting on the GPU rather than CPU , which is a speed boost. There was a spurt of articles about will-change around 2014/2015 that warn about weird behavior, like unexpected changes in stacking contexts and being careful not to use it “too much.” But is that important to do? I don’t know.

Speed 60

Speed Performance Testing Design 60

Percona

AUGUST 4, 2023

was released the next year in 2015, and MariaDB 10.2 Both MariaDB and MySQL came to the conclusion they need LTS versions and releases which focus on the speed of Innovation at the same time. (It is worth noting that MariaDB 5.2 and MariaDB 5.3 existed, too, while there were no matching MySQL versions.) MariaDB started to move fast.

Database 83

Database Servers Innovation Open Source 83

Jos

JUNE 2, 2018

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more … Why Performance doesn’t get Prioritized Web performance at organizations is a real challenge. Ideally, shoot for 30% speed improvements. A screenshot of Lighthouse 3.0,

Performance 237

Performance Speed Google Media 237

Brendan Gregg

JULY 4, 2021

## References I've reproduced the talk references below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency? Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

The Morning Paper

JANUARY 23, 2020

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University 2015. This is part 2 of our look at Allspaw’s 2015 master thesis (here’s part 1 ). 1:06pm reports of the personalised homepage having issues start appearing from multiple sources.

Internet 53

Internet Internet Cache Engineering 53

MachMetrics

OCTOBER 16, 2019

Elon Musk’s need for speed. However, there is excitement around Starlink for other reasons – namely, the implications it might have for internet speed and latency – even by just a small amount (20 milliseconds on average). This ultimately guides us to one conclusion: Speed is incredibly important.

Internet 44

Internet Internet Latency Speed 44

Testsigma

MARCH 23, 2022

In 2015, 49% of respondents communicated they always tested manually. Ideally, traditional automation and no-code/low-code testing tools should maximize the speed and quality of software delivered to end-users. One of the critical advantages of no-code/low-code testing tools is the speed you can create and edit tests.

Testing Tools 52

Testing Tools Code Testing Speed 52

Alex Russell

JANUARY 30, 2024

JavaScript-Heavy # Since at least 2015, building JavaScript-first websites has been a predictably terrible idea, yet most of the sites I trace on a daily basis remain mired in script. [1] India's speed test medians are moving quickly, but variance is orders-of-magnitude wide, with 5G penetration below 25% in the most populous areas.

Performance 98

Performance Network Mobile Speed 98

Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Virtualization 52

All Things Distributed

MARCH 11, 2015

Adoption is now really starting to explode in 2015 as more and more businesses understand the power analytics has to empower their organizations. A business unit can now go out and create their own data warehouse in the cloud of a size and speed that exactly matches what they need and are willing to pay for.

Analytics 123

Analytics Cloud Healthcare Retail 123

Speed Curve

NOVEMBER 3, 2019

” Tammy, Steve and Cliff at Velocity Conference circa 2015. Traditionally, we’ve spent a lot of time focusing on entitled groups as it relates to performance – fast connection speeds, devices with high-end CPUs, low-latency geographies. Building a more inclusive web.

Education 47

Education Latency Strategy Speed 47

Adrian Cockcroft

AUGUST 23, 2018

Earlier cars had a carburetor based engine, later ones had fuel injection, and there was a 2.7liter or 3.0liter V6 engine with automatic or 5 speed manual gearbox. My 1973 car is silver-grey with black leather interior, a US-spec body that has had glass headlight covers added, with a 3.0liter carburetor engine and 5 speed manual gearbox.

Speed 40

Speed Engineering Automotive Systems 40

Enprowess

MAY 24, 2022

More incredible Speed with Virtual DOM. Reactjs can help your business in web and mobile application development by bringing fast speed using the virtual DOM. That makes it a proper fit, as speed is one of the critical factors for making a successful mobile application. Key features of ReactJS. Abstraction layer issue.

Mobile 52

Mobile Open Source Virtualization Speed 52

Dean Hume

JULY 22, 2015

The presentation itself was based on the importance of mobile web performance and a covered a few guidelines that you can use to improve the speed of your mobile websites. Dean Hume at Upfront 2015 from Five Simple Steps on Vimeo. I thought I'd add the link here along with some pictures and the video from the event.

Website 40

Website Mobile Speed Network 40

Dean Hume

JULY 22, 2015

The presentation itself was based on the importance of mobile web performance and a covered a few guidelines that you can use to improve the speed of your mobile websites. Dean Hume at Upfront 2015 from Five Simple Steps on Vimeo. I thought I'd add the link here along with some pictures and the video from the event.

Website 40

Website Mobile Speed Network 40

Dean Hume

JULY 22, 2015

The presentation itself was based on the importance of mobile web performance and a covered a few guidelines that you can use to improve the speed of your mobile websites. Dean Hume at Upfront 2015 from Five Simple Steps on Vimeo. I thought I'd add the link here along with some pictures and the video from the event.

Website 40

Website Mobile Speed Network 40

Strategic Tech

FEBRUARY 27, 2021

The speed at which new features got implemented, and importantly delivered to production for customers to benefit from, was as fast as humanly possible. HMRC , of all places, had an excellent DX for continuously delivering applications all the way back in 2015.

Development 98

Development Strategy Infrastructure Metrics 98

CSS - Tricks

JANUARY 31, 2020

In 2015, HTTP/2 became a published standard in an effort to update an aging protocol. From 2016 (PDF warning) to 2019 , the average mobile download speed in the U.S. In Brazil and India, average mobile download speeds increased by 75% and 28%, respectively, in that same period of time. has increased by 73%.

Innovation 50

Innovation Mobile Best Practices Speed 50

Enprowess

JANUARY 12, 2022

Web development is evolving at a rapid speed with each passing year. And so, it optimizes the page loading speed and reduces the bounce rate. So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Internet of things (IoT) – Number of IoT devices 2015-2025 Statista.

Blockchain 59

Blockchain IoT Development Serverless 59

Brendan Gregg

NOVEMBER 29, 2017

Virtualized in Hardware**: Hardware support for virtualization, and near bare-metal speeds. This was initially used via the ixgbe driver for speeds up to 10 Gbps, then the ena driver for speeds up to 25 Gbps. Xen AWS 2017 In 2015, AWS launched c4, which used hardware virtualization for EBS volumes. The first was c3.

Virtualization 110

Virtualization AWS Hardware Storage 110

Jos

JUNE 2, 2018

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more …. Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. Ideally, shoot for 30% speed improvements.

Performance 130

Performance Speed Google Media 130

Smashing Magazine

JUNE 3, 2022

Here are some examples: Neue Haas Grotesk (1956), Helvetica (1957), Arial (1982), Bau (2002), Akkurat (2004), Aktiv Grotesk (2010), Acumin (2015), Real (2015); Frutiger (1976), Myriad (1992), Monotype SST (2017), Squad (2018), Silta (2018); Collis (1993), Novel (2008), Elena (2010), Permian (2011), Lava (2013).

Performance 113

Performance Design Best Practices Testing 113

SQL Performance

JULY 16, 2019

The Tick-Tock release cycle basically fell apart by about 2015 , as Intel was unable to move from a 14nm manufacturing process to a 10nm manufacturing process. This made it easier for database professionals to make the case for a hardware upgrade, and made the typical upgrade more worthwhile.

Servers 46

Servers Hardware Architecture Retail 46

The Agile Manager

JANUARY 31, 2020

There is an alternative perspective that is far more optimistic : digital companies drive down costs through hyper-efficiency (speed, automation and machine scale) and price transparency. Ride sharing services have added driver/fleet capacity and accelerated speed-of-access for local transportation service.

Energy 52

Energy Government Entertainment Innovation 52

The Morning Paper

OCTOBER 20, 2019

If you’ve been a follower of The Morning Paper for any time at all you can probably tell that I naturally gravitate more towards the feeds-and-speeds end of the spectrum than user experience and interaction design. From time to time I receive a request for more HCI (human-computer interaction) related papers in The Morning Paper.

Government 40

Government Open Source Design Mobile 40

Brendan Gregg

MAY 8, 2021

Update: Some modern drives after 2015 are sealed with [helium].) It seemed to have several set speeds, and when pushing hard it would try a faster speed for a couple of seconds, then a faster one, until it found the fastest it could operate (presumably it tries faster speeds until it begins to get sector-ECC errors).

Performance 40

Performance Latency Speed Systems 40

CSS - Tricks

JUNE 5, 2020

In 2015, Google published a blog post announcing Brotli and released its source code on GitHub. I had several tricks that could significantly speed up websites. Brotli’s beginning…. The pair of developers who created Brotli also created Google’s Zopfli compression two years earlier. Taking matters into my own hands.

Cache 80

Cache Website Servers Open Source 80